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Episode Details

The Big Bang Theory Season 5 Episode 13: "The Recombination Hypothesis"

Leonard asks Penny out on a date this week, causing everyone else to wonder how life might change it it goes well. It's the show's 100th episode!

The Big Bang Theory Season 5 Episode 13 Quotes

Oh, no. They sent the wrong Spock. Live long and suck it, Zachary Quinto.

Sheldon

Penny: You mean, like a date?
Leonard: Not like a date, a date.

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